Here's what rhymes with mucfy.
high thy vi hi shy sigh fi hy thigh vie psi hai cy fy sy thei phi by my why die lie y buy cry fly sky guy tie bi bye chi dye nigh pi pie spy thai dei fry ly quae rye sly ty wir awry lye mai muy nai wry kai lai luy mei tai wai sty aquae stye slier apply dry try modify defy ply magnify nullify pry tri trie pri untie mollify ossify spry amebae turfy scurfy mummify shanghai banzais supply thereby deny nearby occupy rely hereby nuclei alkali certify goodbye notify alibi pacify ratify unify belie decry amoebae codify edify overlie ramify bonsai deify lanai barfly drachmai overbuy yuppify reply imply justify satisfy whereby clarify comply qualify classify signify verify butterfly glorify gratify underlie amplify rectify samurai lullaby pupae termini terrify typify crucify descry dignify liquefy mortify vilify acidify firefly mystify retry ultrahigh vivify blowfly calcify emulsify horrify misapply reunify stupefy liquify overfly scarify versify beatify ripply dandify identify multiply specify simplify testify purify quantify alveoli diversify fortify standby beautify falsify solidify objectify personify resupply detoxify dragonfly stratify stultify triply petrify prettify vitrify gentrify speechify syllabify stimuli intensify indemnify oversupply demystify electrify preoccupy reclassify revivify cumuli dissatisfy declassify hyperbolae refortify solemnify exemplify disqualify transmogrify oversimplify misidentify